Ameloblastomatous calcifying odontogenic cyst: a rare histologic variant

Journal of Oral Pathology & Medicine : Official Publication of the International Association of Oral Pathologists and the American Academy of Oral Pathology
D AithalM Kamboj

Abstract

Calcifying odontogenic cyst (COC) is an uncommon developmental odontogenic cyst first described by Gorlin in 1962. It is considered as extremely rare and accounts for only 1% of jaw cysts reported. Because of its diverse histopathology, there has always been confusion about its nature as a cyst, neoplasm or hamartoma. Several subclassifications have been proposed. Here, we present a case of calcifying odontogenic cyst with ameloblastic proliferation - an extremely rare histologic variant. The classical histologic features of the lining epithelium in the form of cords and presence of characteristic ghost cells were seen along with ameloblastomatous proliferations. Ameloblastomatous COC microscopically resembles unicystic ameloblastoma except for the ghost cells and calcifications within the proliferative epithelium. The nature of the COC is controversial. The case is presented here for its rarity, and difference between ameloblastomatous COC and ameloblastoma ex COC has been emphasized.

References

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Citations

Jan 16, 2008·Journal of Oral Science·Mala Kamboj, Manish Juneja
Jan 25, 2005·Dento Maxillo Facial Radiology·S IidaM Kogo
Nov 26, 2009·The Medical Clinics of North America·Ravi Ubriani, Marc E Grossman
May 20, 2008·Journal of Oral and Maxillofacial Surgery : Official Journal of the American Association of Oral and Maxillofacial Surgeons·John J E McIntoshHaithem Elhadi
Aug 11, 2005·Journal of Oral Pathology & Medicine : Official Publication of the International Association of Oral Pathologists and the American Academy of Oral Pathology·F IdeI Saito
Jan 29, 2008·Journal of Oral Pathology & Medicine : Official Publication of the International Association of Oral Pathologists and the American Academy of Oral Pathology·Constantino Ledesma-MontesAbelardo Meneses-García
Jan 1, 2013·The Journal of Contemporary Dental Practice·Manikkath AparnaRaghu Radhakrishnan

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